<form class="snapol_form" action="" com="csv_import" enctype="multipart/form-data" externaltable="" field="" id="form1" method="post" name="form1" table="[table_name]" search_index="false">
    <p>
        CSV Datei<br />
        <label><input id="file" name="file" type="file" /> </label></p>
    <label><input id="button" name="button" type="submit" value="Upload" /> </label>
</form>